Home / 751,054.76-1,036,455.55-449,248.76

Finding the Fourth Proportional to 751,054.76, 1,036,455.55 and 449,248.76

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Solution

The fourth proportional to 751,054.76, 1,036,455.55 and 449,248.76 is: 619,963.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,054.76 : 1,036,455.55 = 449,248.76 : x
  2. Step 2: Convert to fraction form
    751,054.76/1,036,455.55 = 449,248.76/x
  3. Step 3: Cross multiply
    751,054.76x = 1,036,455.55 × 449,248.76
  4. Step 4: Simplify right side
    751,054.76x = 465,626,370,632.62
  5. Step 5: Solve for x
    x = 465,626,370,632.62/751,054.76
  6. Step 6: Final answer
    x = 619,963.28

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.